package com.jiawa.wiki.Util;


import org.springframework.beans.BeanUtils;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;


public class CopyUtil {

        /**
         * 单体复制
         */
        public static <T> T copy(Object source, Class<T> clazz) {
            if (source == null) {
                return null;
            }
            T obj = null;
            try {
                obj = clazz.newInstance();
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
            BeanUtils.copyProperties(source, obj);
            return obj;
        }

        /**
         * 列表复制
         */
        public static <T> List<T> copyList(List source, Class<T> clazz) {
            List<T> target = new ArrayList<>();
            if (!CollectionUtils.isEmpty(source)){
                for (Object c: source) {
                    T obj = copy(c, clazz);
                    target.add(obj);
                }
            }
            return target;
        }
    }


